Class 12th is the milestone journey of education. 12th-grade marks are always a matter of debate because we often come across statements such as ‘Marks are not so important in a career’ and ‘Marks define a career’. Truthfully, however, board-exam marks determine college admissions: students gain entry into institutions on the basis of their Class 12 scores. Students of Class 12 therefore face the dual pressure of board exams and competitive entrance exams simultaneously.
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CBSE Class 12 2023 Latest Update as on 04 Sep 2026
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Checked on 04 Sep 2026
CBSE Class 12 2023 exams and results have long concluded; as of September 2026, CBSE's academic focus has shifted to the 2026-27 curriculum cycle, with no new updates for the 2023 batch.
CBSE Class 12 2023 was a fully concluded examination cycle. The board exams were held in February–April 2023, and results were declared by May–June 2023 — both now part of historical record. As of 04 September 2026, no new official notification related to the CBSE Class 12 2023 batch has been issued by the Central Board of Secondary Education. The official source at cbseacademic.nic.in currently highlights activity for the 2026-27 academic session, including updated curriculum frameworks for Computational Thinking, AI, and skill subjects. Students who appeared in 2023 and need mark sheets, migration certificates, or re-verification should contact CBSE directly through cbse.gov.in. For those now in Class 12 (2026-27 batch), the NCERT Chemistry syllabus remains aligned with the National Curriculum Framework and students should monitor cbse.gov.in for any 2026-27 syllabus or exam-pattern changes.
- CBSE Class 12 2023 board exams were conducted in February–April 2023 (confirmed historical pattern)
- CBSE Class 12 2023 results were declared around May–June 2023 (confirmed historical pattern)
- Compartment/improvement exams for 2023 batch were expected in July–August 2023 (historical pattern)
- CBSE Class 12 2026-27 curriculum framework is already active as of September 2026 (official source: cbseacademic.nic.in)
- CBSE Class 12 2027 board exam registration expected to open around October–November 2026 (based on previous-year pattern)
- CBSE Class 12 2027 board exams expected February–April 2027 (based on previous-year pattern; not yet confirmed officially)
Sources: CBSE Official Website · CBSE Academic Website
Through Class 12 Chemistry marks, one becomes eligible for competitive exams such as the engineering entrance exam (JEE Main & JEE Advanced), the medical entrance exam (NEET UG 2027), and commerce-stream exams such as CA Foundation or CS Foundation. In every competitive exam, candidates must secure a prescribed minimum percentage in Class 12 board subjects.
| Full Name | NCERT Textbook for Class XII Chemistry (Part I & Part II) |
| Acronym | NCERT Class 12 Chemistry |
| Published by | National Council of Educational Research and Training (NCERT) |
| Parent Ministry | Ministry of Education, Government of India |
| Affiliated Board | Central Board of Secondary Education (CBSE) |
| Exam Level | Senior Secondary (Class 12) |
| Languages Available | English, Hindi |
| Parts | Part 1 (Units 1–9) and Part 2 (Units 10–16) |
| Download Portal | https://ncert.nic.in/ |
| CBSE Official Website | https://www.cbse.gov.in/ |
| Curriculum Framework | National Curriculum Framework 2005 (NCF 2005); NCF 2023 rollout ongoing |
Key Highlights — CBSE Class 12 Board Exam 2027
| Exam Name | CBSE Class 12 Board Examination 2027 |
| Conducting Body | Central Board of Secondary Education (CBSE) |
| Level | Senior Secondary (Class 12) |
| Mode | Offline (pen and paper) |
| Medium | English / Hindi |
| Frequency | Once a year |
| Practical Exams (expected) | January–February 2027 (expected; official dates awaited) |
| Theory Exams (expected) | February–March 2027 (expected; official dates awaited) |
| Result (expected) | May–June 2027 (expected; official dates awaited) |
| Official Website | https://www.cbse.gov.in/ |
| NCERT Book Portal | https://ncert.nic.in/ |
Disclaimer: All 2027 exam dates above are indicative and based on previous-year patterns. They will be confirmed only after the official CBSE notification is released.
NCERT Class 12 Chemistry Book 2027
The National Council of Educational Research and Training (NCERT) publishes the Class 12 Chemistry textbooks for CBSE students. The NCERT Chemistry Books for Class 12 are based on the latest CBSE syllabus and paper pattern. Chemistry encompasses both theoretical concepts and practical laboratory sessions, so students are advised to be thoroughly equipped with every chapter and its sub-topics.
The NCERT Class 12 Chemistry Book is a compilation of chapters finalised after rigorous discussion by renowned professors and subject-matter experts. The NCERT Class 12 Chemistry Textbook is divided into two parts — Part I and Part II — covering topics relevant to both board examinations and competitive entrance exams such as JEE Main, JEE Advanced, and NEET UG. Students can access the e-book for both parts by visiting the NCERT official website at ncert.nic.in.
CBSE Class 12 Overview
Major Changes This Year
No changes have been officially announced for CBSE Class 12 2023, as that academic cycle is fully closed; current CBSE activity pertains to the 2026-27 session.
No major change has been officially announced yet for CBSE Class 12 2023, as that cycle concluded in 2023. The NCERT Chemistry textbook (Part 1 and Part 2) used for 2023 followed the syllabus rationalized post-COVID. For the ongoing 2026-27 session, CBSE's academic website references a new Curriculum Framework for Computational Thinking and AI, but no official Chemistry syllabus revision specific to Class 12 has been confirmed in the fetched official material. Students preparing for Class 12 in 2026-27 should verify the latest syllabus directly on cbseacademic.nic.in, as changes, if any, will be notified there.
| Exam Name | CBSE Class 12 Board Exam 2027 |
| Conducting Body | Central Board of Secondary Education |
| Medium | English / Hindi |
| Exam Frequency | Once a year |
| Official Website | https://www.cbse.gov.in/ |
CBSE Class 12 2027 Analytics
The table below presents previous-year (2026 cycle) reference statistics to help students understand the scale of the examination. Official 2027 figures will be published by CBSE after the result declaration.
| Metric | Previous-Year 2026 (approx.) | 2027 Status |
| Registered Candidates | approx. 17–18 lakh (all streams) | Expected; official figure awaited |
| Appeared Candidates | approx. 16–17 lakh | Expected; official figure awaited |
| Overall Pass Percentage | approx. 87–88% (all India) | Expected; official figure awaited |
| Chemistry Subject Difficulty Trend | Moderate (NCERT-heavy; conceptual questions from organic and physical chemistry dominant) | Pattern expected to continue |
| JEE Main Chemistry Weightage (approx.) | ~30 marks out of 300 per session | Expected; official notification awaited |
| NEET UG Chemistry Weightage (approx.) | 45 questions (180 marks) | Expected; official notification awaited |
| Minimum Class 12 Chemistry % for JEE Advanced eligibility | 75% aggregate (General); 65% (SC/ST/PwD) | Expected; confirm from JEE Advanced 2027 brochure |
All figures marked ‘approx.’ are estimates based on previous-year data and publicly available CBSE trend information. Verify final numbers from the official CBSE result portal.
NCERT Chemistry Books for Class 12 — PDF Download Links
The NCERT Class 12 Chemistry textbook contains two parts. Students can download the PDF for individual chapters or the complete book. The direct links are provided below.
- NCERT Book for Class 12 Chemistry PDF (Part 1 — English)
- NCERT Book for Class 12 Chemistry PDF (Part 2 — English)
- NCERT Book for Class 12 Chemistry PDF (Part 1 — Hindi)
- NCERT Book for Class 12 Chemistry PDF (Part 2 — Hindi)
Content for 12th Grade as per Part 1 and Part 2 in NCERT Textbooks
The topics covered under the NCERT Class 12 Chemistry syllabus are listed below. Students preparing for CBSE board exams 2027, JEE Main 2027, or NEET UG 2027 should study every unit thoroughly, as questions are frequently drawn directly from these chapters.
PART 1 (English)
| Units | Topics |
| Unit 1: The Solid State |
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| Unit 2: Solutions |
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| Unit 3: Electrochemistry |
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| Unit 4: Chemical Kinetics |
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| Unit 5: Surface Chemistry |
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| Unit 6: General Principles and Processes of Isolation of Elements |
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| Unit 7: The p-Block Elements |
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| Unit 8: The d- and f-Block Elements |
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| Unit 9: Coordination Compounds |
|
PART 2 (English)
| Units | Topics |
| Unit 10: Haloalkanes and Haloarenes |
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| Unit 11: Alcohols, Phenols and Ethers |
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| Unit 12: Aldehydes, Ketones and Carboxylic Acids |
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| Unit 13: Amines |
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| Unit 14: Biomolecules |
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| Unit 15: Polymers |
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| Unit 16: Chemistry in Everyday Life |
|
NCERT Class 12 Chemistry Book PART 1 (Hindi)
| Units | Topics |
| Unit 1 | ठोस अवस्था |
| Unit 2 | विलयन |
| Unit 3 | वैधुतरसायन |
| Unit 4 | रासायनिक बलगतिकी |
| Unit 5 | पृष्ठ रसायन |
| Unit 6 | तत्वों के निष्कर्षण के सिद्धांत एवं प्रक्रम |
| Unit 7 | p-ब्लॉक के तत्व |
| Unit 8 | d- एवं f-ब्लॉक के तत्व |
| Unit 9 | उपसहसंयोजन यौगिक |
NCERT Class 12 Chemistry Book PART 2 (Hindi)
| Units | Topics |
| Unit 10 | हैलोएल्केन तथा हैलोएरीन |
| Unit 11 | एल्कोहल, फिनॉल एवं ईथर |
| Unit 12 | एल्डिहाइड, कीटोन एवं कार्बोक्सिलिक अम्ल |
| Unit 13 | एमीन |
| Unit 14 | जैव-अणु |
| Unit 15 | बहुलक |
| Unit 16 | दैनिक जीवन में रसायन |
Follow These Steps to Download the NCERT Class 12 Chemistry Textbook
NCERT Chemistry e-books for Class 12 can be downloaded by following the steps given below:
- Go to the NCERT official website: https://ncert.nic.in/
- Click on Publications on the home page and, from the drop-down menu, select PDF (I–XII).
- Choose Select Class, Select Subject and Select Book Title, then click Go.
- Download the complete book or select individual chapters and click the Open button for each chapter, OR
- Click Download Complete Book to get the full PDF in one file.
- Save the PDF and take a printout if required for offline CBSE board exam 2027 preparation.
Reasons Why Students Need to Take 12th Chemistry Exams Seriously
- If someone wishes to pursue a career in academics or research in Chemistry, board exam marks are crucial. Students gain admission to various colleges and institutions on the basis of their marks and category.
- Class 12 board exams shape a student’s overall mind-set. Performing well boosts confidence and encourages self-belief. (Students who do not intend to pursue Chemistry-related careers may opt for other subjects freely.)
- When a student clears the 12th board with distinction, they become eligible for scholarships and fee-waiver schemes offered by private as well as government institutions to high-scoring candidates.
- Students aspiring to engineering or medical fields must meet the minimum Class 12 eligibility criteria — for instance, JEE Advanced 2027 is expected to require a 75% aggregate (General category) or 65% (SC/ST/PwD) in Class 12, with Chemistry as a compulsory subject. Verify from the official JEE Advanced 2027 information brochure.
- Class 12 Chemistry marks also matter for management aspirants. Most IIMs consider overall academic performance from Class 10 through graduation as part of their selection criteria.
- Students seeking admission in foreign universities also need strong Class 12 scores, as every country has its own qualification requirements for undergraduate entry.
Advantages of Reading the NCERT Class 12 Chemistry Books
- In-depth understanding of complex topics: The NCERT Chemistry textbook covers all the topics tested in board exams and competitive entrance exams. The content is presented in a manner that students do not find overly complex. It polishes conceptual understanding and clears doubts effectively.
- Direct relevance to competitive exams: For the past several years, it has been observed that a significant proportion of Chemistry questions in JEE Main come directly from NCERT books. Students consequently tend to score higher in Chemistry than in Physics or Mathematics, making Chemistry the highest-scoring subject in many competitive exams.
- Strict alignment with CBSE guidelines: NCERT rigorously follows CBSE curriculum guidelines, as directed under the National Curriculum Framework. Students who prepare from NCERT Class 12 Chemistry books develop clarity on all prescribed topics.
- Conceptual language and integrated solutions: Compared to many other reference books, NCERT Chemistry books are widely preferred because they present chapters in clear, accessible language and also provide in-text and end-of-chapter solutions for every unit.
- Time-efficient revision: Students who study from NCERT books save more time during revision. Once the conceptual foundation is set through these books, revisiting topics becomes faster — NCERT is truly a time-saver for CBSE students preparing for the 2027 board and competitive exam cycle.
Conclusion
The NCERT Class 12 Chemistry Book remains the single most important resource for CBSE board exam 2027 preparation as well as for competitive exams such as JEE Main 2027 and NEET UG 2027. Students should download both Part 1 and Part 2 free of cost from ncert.nic.in, study all 16 units chapter by chapter, and practise every end-of-chapter exercise. Consistent revision of NCERT content, combined with previous years’ board and entrance papers, is the most reliable strategy for scoring well in the 2027 exam cycle.
Official Sources
- https://ncert.nic.in/ — NCERT textbook download portal
- https://www.cbse.gov.in/ — CBSE official website
- https://cbseacademic.nic.in/ — CBSE Academic website (curriculum, syllabus)
Disclaimer: All exam dates, eligibility criteria and statistics mentioned in this article are indicative and based on previous-year patterns. They will be officially confirmed only after CBSE and the respective exam authorities release the 2027 notifications. Always verify from the official sources listed above.
Frequently Asked Questions
Where can I download the NCERT Class 12 Chemistry Book PDF for 2027?
You can download the NCERT Class 12 Chemistry Book PDF — both Part 1 and Part 2 — in English and Hindi free of cost from the official NCERT website at ncert.nic.in. Select Class 12, subject Chemistry, and the desired book title, then click 'Go' to access chapter-wise or full-book downloads.
How many chapters are there in the NCERT Class 12 Chemistry textbook?
The NCERT Class 12 Chemistry textbook contains 16 units in total. Part 1 covers Units 1 to 9 (The Solid State through Coordination Compounds), and Part 2 covers Units 10 to 16 (Haloalkanes and Haloarenes through Chemistry in Everyday Life).
Is the NCERT Class 12 Chemistry syllabus sufficient for NEET UG 2027 preparation?
NCERT Class 12 Chemistry forms the backbone of NEET UG Chemistry preparation. The majority of NEET Chemistry questions are based directly on NCERT content. However, for thorough preparation, students should also solve previous years' NEET papers and consult NCERT Class 11 Chemistry alongside the Class 12 book.
Which chapters of NCERT Class 12 Chemistry are most important for JEE Main 2027?
From Part 1, Electrochemistry, Chemical Kinetics, Coordination Compounds, and the p-Block and d-/f-Block Elements carry significant weightage in JEE Main. From Part 2, Haloalkanes and Haloarenes, Alcohols/Phenols/Ethers, Aldehydes/Ketones/Carboxylic Acids, and Amines are frequently tested. Students should verify the latest JEE Main 2027 syllabus from the official NTA notification.
What is the minimum Class 12 Chemistry percentage required for JEE Advanced 2027 eligibility?
Based on the JEE Advanced 2026 criteria (previous year), General-category candidates are required to secure at least 75% aggregate marks in Class 12 (or be in the top 20 percentile of their board), while SC/ST/PwD candidates need 65%. The exact cut-off for JEE Advanced 2027 will be confirmed in the official JEE Advanced 2027 information brochure. Always check jeeadv.ac.in for confirmed figures.
Is the NCERT Class 12 Chemistry Book available in Hindi medium?
Yes. NCERT publishes the Class 12 Chemistry textbook in both English and Hindi. Hindi-medium students can download Part 1 (रसायन विज्ञान भाग I) and Part 2 (रसायन विज्ञान भाग II) directly from ncert.nic.in using the same download steps.
How should I use the NCERT Class 12 Chemistry Book for CBSE board exam 2027 preparation?
Start by reading each unit carefully and noting key definitions, equations and reactions. Solve all in-text examples and end-of-chapter exercises. Refer to NCERT Exemplar problems for higher-order questions. Revise using NCERT summary points before the 2027 board exam. Complement this with past CBSE board papers to understand the question pattern.
When will CBSE Class 12 board exams 2027 be held?
Based on the previous-year schedule, the CBSE Class 12 practical exams are expected in January–February 2027 and the theory exams in February–March 2027. Results are typically declared in May–June. All dates are expected and subject to official confirmation from CBSE. Visit cbse.gov.in and cbseacademic.nic.in for the official notification.
